Title:
Well packer
United States Patent 2582530


Inventors:
Irven, Daetwiler
Application Number:
US18279050A
Publication Date:
01/15/1952
Filing Date:
09/01/1950
Assignee:
Irven, Daetwiler
Primary Class:
Other Classes:
137/68.3, 166/187, 166/317
International Classes:
E21B33/12
View Patent Images:
US Patent References:
2207001Well equipment1940-07-09
2177601Casing packer1939-10-24
2116465Method and means for perforating oil well casing1938-05-03